Q39 — MODE 2 Entry / IOP-0003
G2.1.18 (3.6)
In accordance with S2.OP-IO.ZZ-0003 (Hot Standby To Minimum Load), which ONE of the following completes the statement below?
The crew will record the time of MODE 2 entry in the Control Room Narrative Log when ___
The crew will record the time of MODE 2 entry in the Control Room Narrative Log when ___
A. the reactor is announced to be critical
B. withdrawal of Control Bank "A" is imminent
C. withdrawal of Shutdown Bank "A" is imminent
D. when IR power level has been stabilized at 2E-3%
▶ Show Answer & Explanation
✓ B. Correct. In accordance with S2.OP-IO.ZZ-0003, the crew will record the time of MODE 2 entry in the Control Room Narrative Log when withdrawal of Control Bank "A" is imminent.
✗ A. The candidate could incorrectly conclude that the plant enters Mode 2 when the reactor becomes critical.
✗ C. The candidate could incorrectly conclude that the plant enters Mode 2 when the first bank of control rods is withdrawn.
✗ D. The candidate could incorrectly conclude that the plant enters Mode 2 when the IR power has been stabilized at 2E-3% which is when data is collected IAW SC.RE-RA.ZZ-0002 (Inverse Count Rate Ratio During Reactor Startup).
Ref: NOS05IOP300-09 (Reactor Startup) | LO: NOS05IOP300-09 Obj 1 — Summarize the purpose of S1/S2.OP-IO.ZZ-0003(Q), Hot Standby to Minimum Load | Source: Bank | Cognitive: Lower
Connections
- Related systems: Control Rod Drive
- Related procedures: S2.OP-IO.ZZ-0003 — Hot Standby to Minimum Load
- Related exam: 2018 NRC Written Exam